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2TB Team Group T-FORCE G50 M.2 PCIe 4.0 x4 NVMe TLC Internal Solid State Drive $111 + Free Shipping
$111
$160
30% off
Newegg
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Newegg [newegg.com] has for Newegg Plus Members (Free to join [newegg.com]) 2TB Team Group T-FORCE G50 M.2 PCIe 4.0 x4 NVMe TLC Internal Solid State Drive on sale for $119.99 - $9 off when you apply coupon code NEPDV2Z44 at checkout = $110.99. Shipping is free.
Product Specs:
Product Specs:
- Read/Write Speeds: 5000/4500MBps
- Dram Cache: No (SLC Cache)
- Warranty: 5 Year
- TBW: 1300TBW
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Community Notes
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Newegg [newegg.com] has for Newegg Plus Members (Free to join [newegg.com]) 2TB Team Group T-FORCE G50 M.2 PCIe 4.0 x4 NVMe TLC Internal Solid State Drive on sale for $119.99 - $9 off when you apply coupon code NEPDV2Z44 at checkout = $110.99. Shipping is free.
Product Specs:
Product Specs:
- Read/Write Speeds: 5000/4500MBps
- Dram Cache: No (SLC Cache)
- Warranty: 5 Year
- TBW: 1300TBW
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As for SLC caching, it is what it says it is: caching. SLC stands for single-level cell, whereas, TLC stands for triple-layer cell. What they mean is in a solid state disk (SSD), there are many holding cells to make up the capacity of that SSD. In SLC, each cell can hold 1-bit of data. In TLC, each cell can hold 3-bits of data, and in a TLC, when you try to access the data, the SSD figures out which cell(s) that data you want is in and which bit(s) in the cell you want and will grab the bits in those cells, thus, it may take 3 times as long to access the data in a TLC SSD than a SLC SSD, and also TLC's TBW (terabyte written) is typically 3 times lower than a SLC's TBW because you'd be writing to the cell 3 times in a TLC to fill it up whereas only once for a SLC. To improve the read/write speed of the TLC (and future "x"LC) drives, they invented SLC caching where it uses a portion of that SSD's TLC as if it is a SLC (storing 1-bit of data instead of 3-bits), thus, it would performs like a SLC (i.e. if you write to the SSD, first it'll dump that data in the SLC cache, then write to TLC in the background while freeing up for you to do other stuff). The problem with SLC caching is that as you fill up the SSD past certain point, you have less cells available for caching.
The read/write speed you see here (5000/4500MBps) is based on its SLC caching speed, and not its TLC read/write speed. Typical TLC read/write speed is about 3 times slower: ~2000 MBps.
So, you can imagine that DRAM does what SLC caching does (or vice versa), but much faster and wouldn't be limited by your SSD getting full. And also why people look for SSD with DRAM for their boot/Windows drive where there's going to be a lot of reading and writing (page files).
As for SLC caching, it is what it says it is: caching. SLC stands for single-level cell, whereas, TLC stands for triple-layer cell. What they mean is in a solid state disk (SSD), there are many holding cells to make up the capacity of that SSD. In SLC, each cell can hold 1-bit of data. In TLC, each cell can hold 3-bits of data, and in a TLC, when you try to access the data, the SSD figures out which cell(s) that data you want is in and which bit(s) in the cell you want and will grab the bits in those cells, thus, it may take 3 times as long to access the data in a TLC SSD than a SLC SSD, and also TLC's TBW (terabyte written) is typically 3 times lower than a SLC's TBW because you'd be writing to the cell 3 times in a TLC to fill it up whereas only once for a SLC. To improve the read/write speed of the TLC (and future "x"LC) drives, they invented SLC caching where it uses a portion of that SSD's TLC as if it is a SLC (storing 1-bit of data instead of 3-bits), thus, it would performs like a SLC (i.e. if you write to the SSD, first it'll dump that data in the SLC cache, then write to TLC in the background while freeing up for you to do other stuff). The problem with SLC caching is that as you fill up the SSD past certain point, you have less cells available for caching.
The read/write speed you see here (5000/4500MBps) is based on its SLC caching speed, and not its TLC read/write speed. Typical TLC read/write speed is about 3 times slower: ~2000 MBps.
So, you can imagine that DRAM does what SLC caching does (or vice versa), but much faster and wouldn't be limited by your SSD getting full. And also why people look for SSD with DRAM for their boot/Windows drive where there's going to be a lot of reading and writing (page files).
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